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Early 2011 Model: A1278 / 2.3 GHz i5 or 2.7 GHz i7 processor

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Speaker is not working properly

Hi! My MacBook Pro is the model of 2011 and now the speakers are not working properly, do you have a guide for this?

Thank you very much

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When you boot up do you hear the bong? When you go into Sound Preference settings do you see your speakers listed as an output? Make sure you've selected it. Also try altering the balance so only one speaker is biased Left then Right is only one working?

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Hi Dan, thank you for your response. I herar the bong but with distortion. The problem I have is that the speaker sound but with a lot of distortion

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@gonzalo rocco - did you alter the balance setting to bias only one speaker then the other? Sometimes its just one speaker that needs replacing. Also does an external headphone or speakers sound OK?

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